CITIES How they rate

A new study assigned evacuation-capacity scores to major urban areas based on the capacity of roads leading out of the city, internal traffic flow, number of residents with cars and other factors. Urban area and evacuation capacity score Kansas City 90.0Columbus 2.3Memphis 80.5Pittsburgh .80.4Indianapolis 79.2Cincinnati 79.0Cleveland 74.5Orlando74.1San Antonio 73.5St. Louis 70.6Dallas.70.5New Orleans 67.3Austin66.2Providence 65.9Milwaukee 65.2Baltimore 62.6Sacramento 60.3Denver59.8Tampa-58.9Virginia Beach 57.4Houston 54.8Boston 49.4Philadelphia 49.4